Javascript examples for DOM HTML Element:OptionGroup
The disabled property sets or gets whether an option-group is disabled.
Set the disabled property with the following Values
Value | Description |
---|---|
true|false | Sets whether an option-group should be disabled |
A Boolean, returns true if the option-group is disabled, otherwise it returns false
The following code shows how to disable an option-group:
<!DOCTYPE html> <html> <body> <select size="6"> <option value="B">B</option> <option value="M">M</option> <optgroup id="myOptgroup" label="Web"> <option value="css">CSS</option> <option value="html">HTML</option> <option value="sql">SQL</option> </optgroup> </select>//w ww. j a v a 2s . c o m <button onclick="myFunction()">Test</button> <script> function myFunction() { document.getElementById("myOptgroup").disabled = true; } </script> </body> </html>